> This worked fine, but on reboot I get a ton of errors from LVM saying > that volume with id xxxx-xxxx-xxxx... was not found and the system > automatically reboots. This seems to happen for all volumes, not just > the ones I changed. This error even happens for a separate volume > group (called 'extended') that is on a separate set of disks and was > existing prior to the CentOS 5 install. > > Any idea on some step I missed? I know things are still fine on the > disks, as when I boot with the CentOS DVD with the 'linux rescue' > option all RAID & LVM volumes are available for use. So from this it > seems I need to update some CentOS config file? Did you re-create the initrd after adding the new raid group? Not 100% about this but my guess would be that the initrd isn't starting md2 and thus can't find the pv on that raid device. -Shad